package com.mock.finalTest.dao;

import com.mock.finalTest.model.User;

/**
 * @Descripton 用户dao类
 * @Author liutianlong
 * @Date 2022/4/25 Version 1.0
 **/
public final class UserDao {

    public int queryCount() {
        throw new RuntimeException("数据库未准备好");
    }

    public void saveUser(User user) {
        throw new RuntimeException("数据库未准备好");
    }

    public final String getUserName(String userId) {
        throw new RuntimeException("数据库未准备好");
    }
}
